line=1;
while($line<=5){
$empty_pos=$star_pos=1;
$empty=5-$line;
$star=2*$line-1;
while($empty_pos<=$empty){
echo'&nbsp;';
++$empty_pos;
}
while($star_pos<=$star){
echo'*';
++$star_pos;
}
echo'<br>';
++$line;
}
<?php

/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2016/9/28 0028
 * Time: 下午 8:23
 */
class hh
{

}